片段中间（I）：从edittext获取输入，在片段的textview中设置文本

确实需要一些建议，不知道这里出了什么问题。

上下文：2个片段，每个片段都有一个Textview，主要活动有2个按钮和一个edittext

目的：在主活动的edittext框中键入hello，然后单击片段1的按钮，textview将变为hello。

问题：

在edittext中输入hello并单击按钮1时，遇到运行时错误。

Logcat：

E/AndroidRuntime(1291): FATAL EXCEPTION: main
E/AndroidRuntime(1291): android.view.InflateException: Binary XML file line #29: Error inflating class fragment
E/AndroidRuntime(1291): android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
E/AndroidRuntime(1291):android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
E/AndroidRuntime(1291):android.view.LayoutInflater.inflate(LayoutInflater.java:489)
E/AndroidRuntime(1291): android.view.LayoutInflater.inflate(LayoutInflater.java:396)
E/AndroidRuntime(1291): com.example.FragmentOne.onCreateView(FragmentOne.java:19)
E/AndroidRuntime(1291):android.app.FragmentManagerImpl.moveToState(FragmentManager.java:829)

fragment_one.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <LinearLayout
   xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:orientation="vertical"
   android:background="#00ffff">

 <TextView
       android:id="@+id/textView1"
       android:layout_width="match_parent"
       android:layout_height="match_parent"
       android:layout_weight="1"
       android:text="This is fragment No.1"
       android:textStyle="bold" />
 </LinearLayout>

activity_main.xml

   <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical" >

        <EditText
            android:id="@+id/easy"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:ems="10" >

            <requestFocus />
        </EditText>

        <Button
            android:id="@+id/button1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:onClick="selectFrag"
            android:text="Fragment No 1" />

        <Button
            android:id="@+id/button2"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:onClick="selectFrag"
            android:text="Fragment No 2" />

        <fragment
            android:name="com.example.FragmentTwo"
            android:id="@+id/fragment_place"
            android:layout_width="match_parent"
            android:layout_height="match_parent"/>

    </LinearLayout>

MainActivity.java

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    public void selectFrag(View view) {
        Fragment fr;    
        if(view == findViewById(R.id.button2)) {
            fr = new FragmentTwo();

        }else {
            fr = new FragmentOne();
        }
        FragmentManager fm = getFragmentManager();
        FragmentTransaction fragmentTransaction = fm.beginTransaction();
        fragmentTransaction.replace(R.id.fragment_place, fr);
        fragmentTransaction.commit();

   }

}

FragmentOne.java

public class FragmentOne extends Fragment {

    @Override
    public View onCreateView(LayoutInflater inflater,ViewGroup container, Bundle savedInstanceState) 
    {
        View view = inflater.inflate(R.layout.fragment_one, container, false);
        TextView monthlypayment=  (TextView) view.findViewById(R.id.textView1);
        EditText easy = (EditText) inflater.inflate(R.layout.activity_main, container, false).findViewById(R.id.easy);
        monthlypayment.setText(easy.getText().toString());

        return view;
    }
}